Hi, all, I've reviewed this document as part of the Transport Area Review Team's (TSVART) ongoing effort to review key IETF documents. These comments were written primarily for the transport area directors, but are copied to the document's authors for their information and to allow them to address any issues raised. When done at the time of IETF Last Call, the authors should consider this review together with any other last-call comments they receive. Please always CC tsv-...@ietf.org <mailto:tsv-...@ietf.org> if you reply to or forward this review.
Please resolve these comments along with any other Last Call comments you may receive. Please wait for direction from your document shepherd or AD before posting a new version of the draft. Document: draft-ietf-6lo-dect-ule Transmission of IPv6 Packets over DECT Ultra Low Energy Reviewer: J. Touch Review Date: Sept 26, 2016 IETF Last Call Date: TBD Summary: The document impacts transport protocols only indirectly through its need to support the minimum required IPv6 MTU, but is imprecise about the corresponding details of those requirements. Major issues: There are no major TSV issues in this document. Minor issues: The following modification should be considered for increased clarity: Sec 2.4 indicates that the default MTU for DECT UL is 500 octets and does note that: ...In order to support complete IP packets, the DLC layer of DECT ULE SHALL per this specification be configured with a MTU size that fits the requirements from IPv6 data packets, hence [RFC4944 <https://tools.ietf.org/html/rfc4944>] fragmentation/ reassembly is not required. It would be useful to update this text to be more clear about this referring to IPv6 only (as per the title of the doc), to indicate the minimum MTU, and to explain the reference to RFC4944: ...In order to support IPv6, the DLC layer of DECT ULE MUST be configured with a MTU of at least 1280B to avoid the need for an RFC4944-style shim layer for additional support for larger payload fragmentation/reassembly [RFC4944]." ---
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